.totop_join{
  width: 184px;
    height: 81px;
    padding: 1px;
    text-align:center;
    background: whiteSmoke;
    font-weight: bold;
    color: #444;
    text-decoration: none;
    position:fixed;
    bottom: 60px;
    right: 90px; 
  background: url('joinnow.png') no-repeat 0 0px;
  display: none;      
}
.totop_top{
  width: 51px;
    height: 51px;
    padding: 1px;
    text-align:center;
    background: whiteSmoke;
    font-weight: bold;
    color: #444;
    text-decoration: none;
    position:fixed;
    bottom: 75px;
    right: 40px; 
  background: url('arrow_up.png') no-repeat 0 0px;
  display: none;  
}